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revision 717, Fri Mar 16 11:13:04 2007 UTC revision 749, Tue May 8 17:26:09 2007 UTC
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1    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/aobjects.R (StructuredTextDocument): Inherits from
4            TextDocument.
5    
6    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
9            on sparse matrices as proposed by Martin Maechler.
10    
11    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
14            \pkg{filehash} version makes them deprecated.
15    
16    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
17    
18            * R/termdocmatrix.R (textvector): Stemming is now performed before
19            erasing stopwords.
20            (weightMatrix): Adapted to handle sparse matrices.
21            (TermDocMatrix): Sparse matrix is now efficiently built by
22            direct stepwise insertion of row values into it.
23    
24    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
25    
26            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
27            due to ongoing problems. For our purposes the latter is as useful
28            as the replaced package.
29    
30    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
33    
34            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
35    
36    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
39            languages with available stopwords.
40    
41    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
42    
43            * inst/doc/tm.Rnw: Minor corrections in the vignette.
44    
45    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
46    
47            * DESCRIPTION: Update to version 0.2, since a lot of new features
48            have been integrated.
49    
50            * inst/stopwords: Updated existing stopwords and added stopwords
51            for various other languages.
52    
53    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * man/: Updated documentation.
56    
57            * Work/testDb.R: Script to test database stuff.
58    
59            * R/: Fixed various database related bugs. Seems to be rather
60            useable now, i.e., consider as alpha status for now.
61    
62    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * R/: Fixed some bugs related to database support.
65    
66    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
67    
68            * man/: Added a lot of examples to the manuals.
69    
70    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * man/: Updated parts of the documentation.
73    
74            * R/textdoccol.R (asPlain): Added conversion from newsgroup
75            documents to plain text documents.
76    
77    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
78    
79            * R/textdoccol.R: Finished experimental database support. Not yet
80            intensively tested.
81    
82            * R/source.R: Now each source has a default reader.
83    
84            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
85            class anymore.
86    
87            * R/plaintextdoc.R: Custom show method for plain text documents.
88    
89            * R/aobjects.R: Added a class for structured text documents.
90    
91            * R/reader.R: Replaced remaining \code{parser} occurrences with
92            \code{reader}.
93    
94            * R/textdoccol.R (summary): Indent tags.
95    
96            * R/textdoccol.R (removePunctuation): Transform method to remove
97            punctuation marks.
98    
99    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
100    
101            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
102            using prescindMeta().
103    
104    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * R/textdoccol.R: Improved database support.
107    
108  2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
109    
110            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
111    
112          * R/resolve.R (resolveISOcode): Extracts the language from a ISO          * R/resolve.R (resolveISOcode): Extracts the language from a ISO
113          language code.          language code.
114    

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